spring JDBC 批量插入数据

public int batchCreate(List<InquiryData> list, Date countTime) {
        if(list != null && list.size()>0) {
            InquiryData inquiryData = new InquiryData();
            String sql = inquiryData.getCreateObjSql();
            String tableName = InquiryData.getTableName_(countTime);
            sql = sql.replace(inquiryData.getTableName(), tableName);
            
            BeanPropertySqlParameterSource[] bp = new BeanPropertySqlParameterSource[list.size()];
//            Object[] obj = list.toArray(); 
            
            Calendar cal = Calendar.getInstance();
            for(int i = 0; i<list.size(); i++) {
                cal.setTime(countTime);
                InquiryData data = list.get(i);
                data.setId(UUID.randomUUID().toString().replaceAll("-", ""));
                data.setHours(cal.get(Calendar.HOUR_OF_DAY));
                data.setDay(cal.get(Calendar.DAY_OF_MONTH));
                data.setMonth(cal.get(Calendar.MONTH)+1);
                data.setYear(cal.get(Calendar.YEAR));
                
                data.setCreateTime(countTime);
                
                
                bp[i] = new BeanPropertySqlParameterSource(data);
            }
            this.getSimpleJdbcTemplate().batchUpdate(sql, bp);
        }
        return 1;
    }